CN104836152B - The stroke fine adjustment type hydraulic device of insulator replacement tool - Google Patents
The stroke fine adjustment type hydraulic device of insulator replacement tool Download PDFInfo
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- CN104836152B CN104836152B CN201510224627.XA CN201510224627A CN104836152B CN 104836152 B CN104836152 B CN 104836152B CN 201510224627 A CN201510224627 A CN 201510224627A CN 104836152 B CN104836152 B CN 104836152B
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- 239000012212 insulator Substances 0.000 title claims abstract description 27
- 239000002828 fuel tank Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 230000005484 gravity Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 53
- 238000009413 insulation Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Safety Valves (AREA)
- Check Valves (AREA)
- Actuator (AREA)
Abstract
A kind of stroke fine adjustment type hydraulic device of insulator replacement tool, cylinder body is by front-bank rotor housing, outer barrel and rear-bank rotor housing composition, inner cylinder is equipped in outer barrel, it is interior, annular fuel tank is formed between outer barrel, inner cylinder is divided into ante-chamber and back cavity by piston, annular fuel tank is communicated by rear-bank rotor housing oil duct and back cavity, in back cavity and it is between rear-bank rotor housing and piston equipped with main buckle, front-bank rotor housing is equipped with pressure oil passage, suction passage, drainback passage and pressure release passage, pressure oil passage links up the pump housing chamber and ante-chamber of stirrup pump, suction passage links up the pump housing chamber of stirrup pump and annular fuel tank, drainback passage leads to ante-chamber, pressure release passage leads to annular fuel tank, pressure oil check valve and oil sucting one-way valve are respectively equipped in pressure oil passage and suction passage, one-way throttle valve is equipped between drainback passage and pressure release passage.Structure of the invention is compact, simple and easy to operate, and the flow of oil return is automatically controlled using the one-way throttle valve of gap throttle style, can slow pressure release, realize hydraulic device stroke fine tuning.
Description
Present patent application be number of patent application be 201210392412.5, the applying date is 16 day, of October in 2012
The referred to as divisional application of the application for a patent for invention of " hydraulic device for being used for insulator replacement tool ".
Technical field
The present invention relates to the hydraulic devices of insulator replacement tool.
Background technology
In aerial high-voltage power transmission line, steel tower both sides high-voltage conducting wires are tensioned by insulator chain and are insulated, insulator chain
Long-time service will appear aged deterioration, need to replace in time, otherwise can influence high voltage power transmission and safety.Insulator used at present
Replacement tool has two pairs of clamp force devices and is connected to the two fixtures composition of two pairs of clamp force device front and back ends.Insulator chain is pressed from both sides
It holds between two fixtures, clamp force device drives lead screw to shrink by worm drive, and conducting wire shifts the tensile force that insulator chain applies
Onto two pairs of clamp force devices, insulator chain relaxation can dismantle insulator chain in this way.Chinese Authorization Notice No. is CN 101174761
B（Application number 200710092913.0）, denomination of invention be " high-voltage power line tension insulator string forward spin live-wire altering method "
Patent of invention in disclose a kind of two yoke plate device, two yoke plate device is insulator replacement tool, and two yoke plate device includes
Two wing cards, two leading screws and two secondary insulation pulling plates, one end of two secondary insulation pulling plates is connected with wing card both wings respectively, another
End is connect with a leading screw respectively, and two leading screw other ends are connected with another wing card both wings respectively.Insulation pulling plate and wing card
Between be equipped with pipe nipple, insulation pulling plate junction is provided with connecting hole, and hole and the connection of wing card is bolted.Replacing insulator
For tool in use, need to bear the tensile force in circuit, the rotation of lead screw needs the prodigious torque, the at present rotation of lead screw to be all
Manually, operation is laborious and inconvenient, so being currently being deployed a kind of insulator replacement tool with hydraulic device.Insulation
Sub- replacement tool is altitude effect tool, it is desirable that applies the hydraulic device on insulator replacement tool easy to operate, does not have at present
There is suitable hydraulic device.
Invention content
It is an object of the invention to propose a kind of compact-sized, simple and easy to operate insulator replacement tool stroke
Fine adjustment type hydraulic device.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：The work that the present invention includes cylinder body, is arranged in cylinder body
Plug and stirrup pump, cylinder body are made of front-bank rotor housing, outer barrel and rear-bank rotor housing, and the pump housing of stirrup pump is connected on front-bank rotor housing, outer barrel
It is equipped with inner cylinder in vivo, forms annular fuel tank between inside and outside cylinder, inner cylinder is divided into ante-chamber and back cavity, annular fuel tank by piston
It is communicated by rear-bank rotor housing oil duct and back cavity, front-bank rotor housing is equipped with pressure oil passage and suction passage, in pressure oil passage and suction passage
In be respectively equipped with pressure oil check valve and oil sucting one-way valve, pressure oil passage links up the pump housing chamber and ante-chamber of stirrup pump, the stirrup pump
Pump housing intracavitary be equipped with sucker rod, the lower end of the pump housing is connected in the pump housing mounting hole of front-bank rotor housing, in the branch of front-bank rotor housing outer wall
Rocking arm is hinged on frame, the upper end of rocking arm is hinged with rocker head, and one handle is connected on rocker head, and the upper end of sucker rod is stretched out
The pump housing is hinged on rocker head；In back cavity and in main buckle is equipped between rear-bank rotor housing and piston, suction passage links up stirrup pump
Pump housing chamber and annular fuel tank, be additionally provided with drainback passage and pressure release passage on front-bank rotor housing, pressure release passage and drainback passage are at a right angle
Connection, drainback passage lead to ante-chamber, and pressure release passage leads to annular fuel tank, in the portion having a common boundary with pressure release passage in drainback passage
Position be equipped with throttling valve chamber, the upper end opening for the valve chamber that throttles, throttle valve chamber in be equipped with one-way throttle valve, one-way throttle valve using
Gap throttle style, one-way throttle valve include adjustable valve rod, spool and No. III steel ball below spool, and adjustable valve rod saves certainly
The opening for flowing valve chamber is inserted into, and lower end is supported and spool, and gap is equipped between spool and surrounding cavity wall, forms annular gap, throttling
The lower end of valve chamber is valve port, and steel ball is got lodged in the valve port of throttling valve chamber by the pressure that spool is given by adjustable valve rod, works as spool
When the pressure of the annular gap of surrounding is in non-equilibrium state, spool is in quick condition, spool close to the aperture of pressure release passage,
Pressure release passage, which is kept off, to be even switched off, and annular gap is caused to increase close to the pressure at pressure release passage, pushes spool to another sidesway
Dynamic, pressure release passage reopens, and annular gap reduces close to the pressure at pressure release passage, and spool then shifts to the aperture of pressure release passage
Place completes the oil spillage in automatic adjustment gap in cycles.
Limited block is fixed on the rear-bank rotor housing, limited block oilhole and rear-bank rotor housing oil duct communicate.
Be equipped with pressure oil valve chamber in pressure oil passage, the upper end of pressure oil valve chamber is valve port, pressure oil check valve include No. I steel ball and
Small pressure spring, No. I steel ball are got lodged in the valve port of pressure oil valve chamber by small pressure spring support.
The valve port of pressure oil valve chamber is the two-stage valve port that compacting is formed, and is combined by the tubaeform valve port of higher level's cylindricality valve port and subordinate
It forms.
Oil suction valve chamber is equipped in suction passage, the lower end of oil suction valve chamber is valve port, and oil sucting one-way valve includes No. II steel ball,
No. II steel ball is got lodged in by gravity at the valve port of oil suction valve chamber.
The valve port of oil suction valve chamber is the two-stage valve port that compacting is formed, and is combined by the tubaeform valve port of higher level and subordinate's cylindricality valve port
It forms.
The valve port of throttling valve chamber is the two-stage valve port that compacting is formed, and is combined by the tubaeform valve port of higher level and subordinate's cylindricality valve port
It forms.
The present invention has following good effect：1. stroke fine adjustment type hydraulic device utilizes the gap between inside and outside cylinder
As annular fuel tank, using compression spring to piston reset, this hydraulic device overall structure is compact simple, small, and high-altitude is facilitated to make
With.2. hydraulic device automatically controls the flow of oil return using the one-way throttle valve of gap throttle style, can slow pressure release,
It realizes the stroke fine tuning of hydraulic device, and can realize Quick Depressurization again, provided conveniently for operation, and gap throttle style is unidirectional
Throttle-valve structure is simple, easy to process.3. the valve port of oil suction valve chamber, pressure oil valve chamber and the valve chamber that throttles is the two-stage that compacting is formed
Valve port, the material structure at valve port is especially close, is avoided that damage of steel ball caused by after release of pressure to the shock of valve port, prolongs
The service life of long hydraulic device.
Description of the drawings
Fig. 1 is the topology view of the present invention.
Fig. 2 is the C direction views of Fig. 1（Part）.
Fig. 3 is cylinder body fork and is bolted figure.
Fig. 4 is the schematic diagram of the spool of one-way throttle valve in the state of the equilibrium.
Fig. 5 is schematic diagram of the spool of one-way throttle valve under non-equilibrium state.
Fig. 6 is the A-A sectional views of Fig. 2.
Fig. 7 is the B-B sectional views of Fig. 2.
Fig. 8 is application drawing.
Specific implementation mode
Embodiment 1
The piston 5 and be fixed on work that Fig. 1, Fig. 2, Fig. 6 and hydraulic device shown in Fig. 7 include cylinder body, is arranged in cylinder body
Piston rod 4 and stirrup pump on plug 5.Piston rod 4 is fixedly connected by horned nut 10 with piston 5.It stretches one end of piston rod 4
Go out cylinder body, the extension of piston rod is processed into lead screw 4-1, or is fixedly connected with a lead screw 4-1.
Cylinder body is made of front-bank rotor housing 1, outer barrel 2 and rear-bank rotor housing 8, is equipped with inner cylinder 3 in outer barrel, inside and outside cylinder 3,2 it
Between form annular fuel tank a, inner cylinder is divided into ante-chamber b and back cavity c by piston 5, in back cavity c and between rear-bank rotor housing 8 and piston 5
Equipped with main buckle 6, limited block 7 is threaded on rear-bank rotor housing 8, limited block 7 is to 5 laggard sports limiting of piston.It is set on limited block 7
There are limited block oilhole 7-1, annular fuel tank a to be communicated by rear-bank rotor housing oil duct d, limited block oilhole 7-1 and back cavity c.It is set on front-bank rotor housing 1
There are pressure oil passage e, suction passage f, drainback passage g and pressure release passage h, pressure oil passage e to link up the pump housing chamber i and ante-chamber of stirrup pump
B, suction passage f link up the pump housing chamber i of stirrup pump and annular fuel tank a, pressure release passage h and drainback passage g are connected at a right angle, oil return
Channel g leads to ante-chamber b, and pressure release passage h leads to annular fuel tank a.It is respectively equipped with pressure oil list in pressure oil passage e and suction passage f
To valve 15 and oil sucting one-way valve 16, one-way throttle valve 17 is equipped between drainback passage g and pressure release passage h.
The enlarged portion that diameter is more than pressure oil passage diameter is equipped in pressure oil passage e, enlarged portion is as pressure oil valve chamber e-1, pressure
The upper end of fuel tap chamber e-1 is valve port, and pressure oil check valve 15 includes No. I steel ball 15-1 and small pressure spring 15-2, and No. I steel ball 15-1 is by small
Compression spring 15-2 supports are got lodged at the valve port of pressure oil valve chamber e-1.For convenience of the installation of small pressure spring 15-2, pressure oil valve chamber e-1 is in and leans on
The nearby bottom surface of cylinder body 1, the bottom surface of front-bank rotor housing 1 correspond to pressure oil valve chamber e-1 and are equipped with bolt hole, and a bolt 15- is installed in bolt hole
The end face of 3, bolt 15-3 are equipped with compression spring hole, and the lower part of small pressure spring 15-2 is placed in compression spring hole.The valve port of pressure oil valve chamber e-1 is
The two-stage valve port e-2 formed is suppressed, is combined by higher level cylindricality valve port e-22 and the tubaeform valve port e-21 of subordinate.
It is equipped with the enlarged portion that diameter is more than suction passage diameter on the top of suction passage f, enlarged portion is as oil suction valve chamber
The lower end of f-1, oil suction valve chamber f-1 are valve port, and oil sucting one-way valve 16 includes that No. II steel ball 16-1, No. II steel ball 16-1 rely on gravity
It gets lodged at the valve port of oil suction valve chamber f-1.The valve port of oil suction valve chamber f-1 is the two-stage valve port f-2 that compacting is formed, and is that higher level is tubaeform
The combination of valve port f-21 and subordinate cylindricality valve port f-22.
In drainback passage g the expansion that diameter is more than drainback passage diameter is equipped in the position having a common boundary with pressure release passage h
Portion, enlarged portion is as throttling valve chamber g-1, and the upper end opening of throttling valve chamber g-1, what is be arranged in the valve chamber g-1 that throttles is described unidirectional
Using gap throttle style, one-way throttle valve 17 includes adjustable valve rod 17-1, spool 17-2, is in spool throttle valve 17
No. III steel ball 17-3 and swivel nut 17-4 below 17-2 and pressure release handle 17-5.Swivel nut 17-4 is threaded in throttling valve chamber g-
1 open end, adjustable valve rod 17-1 are stretched by swivel nut 17-4 in throttling valve chamber g-1, and the lower end of adjustable valve rod 17-1 is supported and valve
Core 17-2, adjustable valve rod 17-1 and swivel nut 17-4 are threadedly coupled, and pressure release handle 17-5 is connected on adjustable valve rod 17-1.Pressure release is logical
The aperture of road h and spool 17-2 are corresponded to, and gap is equipped between spool 17-2 and surrounding cavity wall, form annular gap g-3.Throttle valve
The lower end of chamber g-1 is valve port, and No. III steel ball 17-3 gets lodged in throttle valve by adjustable valve rod 17-1 by the spool 17-2 pressure given
At the valve port of chamber g-1.The valve port of throttling valve chamber g-1 be the two-stage valve port g-2 that compacting is formed, by the tubaeform valve port g-21 of higher level with
Subordinate cylindricality valve port g-22 is combined into.
The two-stage valve port e-2 of above-mentioned pressure oil valve chamber e-1, the two-stage valve port f-2 of oil suction valve chamber f-1 and throttling valve chamber g-1's
The method that two-stage valve port g-2 is all made of compacting, is as follows, takes with an equal amount of steel ball of valve chamber diameter to adding at valve port
Pressure, forms tubaeform at valve port, and channel part connect at this time with valve chamber deforms upon, and inner wall bloats, then takes straight with channel
The identical or steel ball slightly larger than channel diameter of diameter gives pressure to deformations, forms cylindricality valve port.Since two-stage valve port is compacting shape
At, so material structure is tight, steel ball shock can be born.
Sucker rod 12 is equipped in the pump housing chamber i of the stirrup pump, the lower end of the pump housing 11 is connected to the pump of front-bank rotor housing 1
In body mounting hole, rocking arm 13 is hinged on the holder 1-1 of 1 outer wall of front-bank rotor housing, the upper end of rocking arm 13 is hinged with rocker head 14, shakes
Handle 14-1 is connected on arm head 14, the middle part that the pump housing 11 is hinged on rocker head 14 is stretched out in the upper end of sucker rod 12, this is hinged
Point is used as fulcrum.
The rear portion of cylinder body is fork 9, and the fork 9 of cylinder body with the fixture of insulator replacement tool for connecting.Cylinder body
Fork 9 there is a pair of of engaging lug 9-1,9-1, engaging lug to be equipped with bolt hole, wherein the bolt hole of an engaging lug is ladder
Hole, the diameter holes 9-a of stepped hole are threaded hole, and the large diameter hole 9-b of stepped hole is that the bolt hole 9-c on another engaging lug extends
Unthreaded hole.The bolt of cylinder body fork 9 connects Fig. 4, due to the same center line of bolt hole on two engaging lugs, is connected to two engaging lugs
Between bolt 22 will not glance off, the thread segment of the bolt 22 of use inside contracts in the stepped hole of engaging lug, both can guarantee
The shear strength of bolt, and will not cause to damage by bolted component to being between two engaging lugs.
Piston rod 4 is to stretch out to the present invention under normal conditions, and pressure release handle 17-5 is locking, when the handle for pushing stirrup pump
14-1, sucker rod 12 push, and No. I steel ball 15-1 is detached from the valve port of oil suction valve chamber f-1, and pressure oil check valve 15 is opened, pump housing chamber i
Interior hydraulic oil enters ante-chamber b by pressure oil passage e, pushes piston 5 laggard, piston rod 4 inside contracts, and the hydraulic oil in back cavity c returns
The annular fuel tank a of stream.As the handle 14-1 for above carrying stirrup pump, pressure oil check valve 15 is closed, and pump housing chamber i and oil suction valve chamber f-1 are formed
Negative pressure, No. II steel ball 16-1 are detached from the valve port of oil suction valve chamber f-1, and oil sucting one-way valve 16 is opened, and the hydraulic oil in annular fuel tank a is logical
It crosses suction passage f and enters pump housing chamber i, in cycles, piston 5 is gradually laggard to arrive required position.
In use, there is the phenomenon that " mistake " as piston 5 is laggard, slightly unclamp pressure release handle 17-5, act on list at this time
Pressure on 17 spool 17-2 of throttle valve is reduced, and No. III steel ball 17-3 is by open-top release of pressure.One-way throttle valve 17 is being closed
Under state, the pressure of the annular gap g-3 of spool 17-2 surroundings is in equilibrium state（See Fig. 4）Once release of pressure, spool 17-2 tetra-
The pressure of the annular gap g-3 in week would be at non-equilibrium state（See Fig. 5）, spool 17-2 is in quick condition, such as spool 17-
2 close to the aperture of pressure release passage h, and pressure release passage h, which is kept off, to be even switched off, and causes annular gap g-3 close to the pressure at pressure release passage h
Power increases, and spool 17-2 is pushed to be moved to the other side, and at this moment pressure release passage h is reopened, and annular gap g-3 is close to pressure release passage
Pressure at h reduces, and spool 17-2 is shifted at the aperture of pressure release passage h, completes the oil spillage in automatic adjustment gap in cycles.
Hydraulic oil in ante-chamber b enters annular fuel tank a through drainback passage g, pressure release passage h.Due to being small flow, main buckle 6, which pushes, lives
Plug 5 is advanced slowly, and realizes the stroke fine tuning of hydraulic device.
Pressure release handle 17-5 is released to a certain extent, and pressure release handle 17-5, which rises, gives spool 17-2 movable skies upwards
Between, when spool 17-2 is raised by oil pressure to certain altitude, the aperture of pressure release passage h is not blocked, and can realize Quick Depressurization.
Fig. 8 is that this hydraulic device applies the schematic diagram on insulator replacement tool clamp force device, the lead screw 4-1 of piston rod logical
It crosses double end swivel nut 19 and connects an independent lead screw 20, the middle part of swivel nut 20 is connected with spanner 18, is connected on the end of independent lead screw 20
One forked element 21.Clamp force device with this hydraulic device rotates double end swivel nut 19 first with spanner 18 and adjusts stroke, for pre-
Extra stroke is absorbed, then effective impulse stroke is provided by hydraulic device, leading screw has both been utilized in non-stress and slight stress
Portability, and clamp force operation when utilizing hydraulic device to realize to complete nominal operating duty with smaller operating force, operation save
Power is convenient.
Claims (7)
1. a kind of stroke fine adjustment type hydraulic device of insulator replacement tool, including cylinder body, the piston that is arranged in cylinder body（5）With
And stirrup pump, cylinder body is by front-bank rotor housing（1）, outer barrel（2）And rear-bank rotor housing（8）Composition, the pump housing of stirrup pump（11）It is connected to preceding cylinder
Body（1）On, inner cylinder is equipped in outer barrel（3）, inside and outside cylinder（3,2）Between form annular fuel tank（a）, piston（5）Inner cylinder
Body is divided into ante-chamber（b）And back cavity（c）, annular fuel tank（a）Pass through rear-bank rotor housing oil duct（d）And back cavity（c）It communicates, front-bank rotor housing（1）On
Equipped with pressure oil passage（e）And suction passage（f）, pressure oil passage（e）And suction passage（f）In be respectively equipped with pressure oil check valve（15）
And oil sucting one-way valve（16）, pressure oil passage（e）Link up the pump housing chamber of stirrup pump（i）And ante-chamber（b）, the pump housing chamber of the stirrup pump
（i）It is interior to be equipped with sucker rod（12）, the pump housing（11）Lower end be connected to front-bank rotor housing（1）Pump housing mounting hole in, in front-bank rotor housing（1）
The holder of outer wall（1-1）On be hinged with rocking arm（13）, rocking arm（13）Upper end be hinged with rocker head（14）, one handle（14-1）Even
It is connected on rocker head（14）On, sucker rod（12）Upper end stretch out the pump housing（11）It is hinged on rocker head（14）On；It is characterized in that：
Back cavity（c）It is interior and be in rear-bank rotor housing（8）And piston（5）Between be equipped with main buckle（6）, suction passage（f）Link up the pump of stirrup pump
Body cavity（i）With annular fuel tank（a）, front-bank rotor housing（1）On be additionally provided with drainback passage（g）And pressure release passage（h）, pressure release passage（h）With
Drainback passage（g）Connection at a right angle, drainback passage（g）Lead to ante-chamber（b）, pressure release passage（h）Lead to annular fuel tank（a）；It is returning
Oily channel（g）In be in and pressure release passage（h）The position of boundary is equipped with throttling valve chamber（g-1）, throttle valve chamber（g-1）Upper end open
Mouthful, throttle valve chamber（g-1）In be equipped with one-way throttle valve（17）, one-way throttle valve（17）Using gap throttle style, unidirectionally
Throttle valve（17）Including adjustable valve rod（17-1）, spool（17-2）With in spool（17-2）No. III steel ball of lower section（17-3）,
Adjustable valve rod（17-1）From throttling valve chamber（g-1）Opening be inserted into, lower end is supported and spool（17-2）, spool（17-2）And surrounding
It is equipped with gap between cavity wall, forms annular gap（g-3）, throttle valve chamber（g-1）Lower end be valve port, No. III steel ball（17-3）By
Adjustable valve rod（17-1）Pass through spool（17-2）The pressure given gets lodged in throttling valve chamber（g-1）Valve port at, work as spool（17-2）
The annular gap of surrounding（g-3）Pressure when being in non-equilibrium state, spool（17-2）In quick condition, spool（17-2）It connects
Nearly pressure release passage（h）Aperture, pressure release passage（h）It is even switched off by gear, causes annular gap（g-3）Close to pressure release passage（h）
The pressure at place increases, and pushes spool（17-2）It is moved to the other side, pressure release passage（h）It reopens, annular gap（g-3）It is close
Pressure release passage（h）The pressure at place reduces, spool（17-2）Then shift to pressure release passage（h）Aperture at, complete in cycles automatic
Adjust the oil spillage in gap.
2. the stroke fine adjustment type hydraulic device of insulator replacement tool according to claim 1, it is characterised in that：After described
Cylinder body（8）On be fixed with limited block（7）, limited block oilhole（7-1）With rear-bank rotor housing oil duct（d）It communicates.
3. the stroke fine adjustment type hydraulic device of insulator replacement tool according to claim 1, it is characterised in that：In pressure oil
Channel（e）In be equipped with pressure oil valve chamber（e-1）, pressure oil valve chamber（e-1）Upper end be valve port, pressure oil check valve（15）Including No. I steel
Ball（15-1）And small pressure spring（15-2）, No. I steel ball（15-1）By small pressure spring（15-2）Support gets lodged in pressure oil valve chamber（e-1）Valve port
Place.
4. the stroke fine adjustment type hydraulic device of insulator replacement tool according to claim 3, it is characterised in that：Pressure oil valve
Chamber（e-1）Valve port be compacting formed two-stage valve port（e-2）, by higher level's cylindricality valve port（e-22）With the tubaeform valve port of subordinate
（e-21）It is combined into.
5. the stroke fine adjustment type hydraulic device of insulator replacement tool according to claim 1, it is characterised in that：In oil suction
Channel（f）In be equipped with oil suction valve chamber（f-1）, oil suction valve chamber（f-1）Lower end be valve port, oil sucting one-way valve（16）Including No. II steel
Ball（16-1）, No. II steel ball（16-1）Oil suction valve chamber is got lodged in by gravity（f-1）Valve port at.
6. the stroke fine adjustment type hydraulic device of insulator replacement tool according to claim 5, it is characterised in that：Oil sucting valve
Chamber（f-1）Valve port be compacting formed two-stage valve port（f-2）, by the tubaeform valve port of higher level（f-21）With subordinate's cylindricality valve port
（f-22）It is combined into.
7. the stroke fine adjustment type hydraulic device of insulator replacement tool according to claim 1, it is characterised in that：Throttle valve
Chamber（g-1）Valve port be compacting formed two-stage valve port（g-2）, by the tubaeform valve port of higher level（g-21）With subordinate's cylindricality valve port
（g-22）It is combined into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510224627.XA CN104836152B (en) | 2012-10-16 | 2012-10-16 | The stroke fine adjustment type hydraulic device of insulator replacement tool |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210392412.5A CN102868119B (en) | 2012-10-16 | 2012-10-16 | Hydraulic device for insulator replacing tool |
| CN201510224627.XA CN104836152B (en) | 2012-10-16 | 2012-10-16 | The stroke fine adjustment type hydraulic device of insulator replacement tool |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210392412.5A Division CN102868119B (en) | 2012-10-16 | 2012-10-16 | Hydraulic device for insulator replacing tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104836152A CN104836152A (en) | 2015-08-12 |
| CN104836152B true CN104836152B (en) | 2018-10-30 |
Family
ID=47446804
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510224627.XA Active CN104836152B (en) | 2012-10-16 | 2012-10-16 | The stroke fine adjustment type hydraulic device of insulator replacement tool |
| CN201510224732.3A Active CN104832474B (en) | 2012-10-16 | 2012-10-16 | The hand-pushing hydraulic means of insulator replacement tool |
| CN201510224157.7A Active CN104836151B (en) | 2012-10-16 | 2012-10-16 | A kind of hydraulic device for insulator replacement tool |
| CN201510224788.9A Active CN104836153B (en) | 2012-10-16 | 2012-10-16 | A kind of hydraulic device of insulator replacement tool |
| CN201510225123.XA Active CN104882818B (en) | 2012-10-16 | 2012-10-16 | Replace the hydraulic device of insulator instrument |
| CN201210392412.5A Active CN102868119B (en) | 2012-10-16 | 2012-10-16 | Hydraulic device for insulator replacing tool |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510224732.3A Active CN104832474B (en) | 2012-10-16 | 2012-10-16 | The hand-pushing hydraulic means of insulator replacement tool |
| CN201510224157.7A Active CN104836151B (en) | 2012-10-16 | 2012-10-16 | A kind of hydraulic device for insulator replacement tool |
| CN201510224788.9A Active CN104836153B (en) | 2012-10-16 | 2012-10-16 | A kind of hydraulic device of insulator replacement tool |
| CN201510225123.XA Active CN104882818B (en) | 2012-10-16 | 2012-10-16 | Replace the hydraulic device of insulator instrument |
| CN201210392412.5A Active CN102868119B (en) | 2012-10-16 | 2012-10-16 | Hydraulic device for insulator replacing tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6523916B2 (en) * | 2015-10-27 | 2019-06-05 | Ｋｙｂ株式会社 | Hydraulic equipment |
| CN105673376A (en) * | 2016-01-19 | 2016-06-15 | 成都远东高科科技有限公司 | Anti-wear hydraulic manual pump |
| KR200487323Y1 (en) * | 2016-05-30 | 2018-09-04 | 나가키 세이키 코포레이션 리미티드 | Remote manipulation device for rotation work |
| CN110611271A (en) * | 2019-09-17 | 2019-12-24 | 国网山东省电力公司烟台市福山区供电公司 | Hydraulic clamp for electric power overhaul |
| CN112834618B (en) * | 2021-01-25 | 2022-04-01 | 河北建筑工程学院 | Concrete acoustic emission damage recognition system based on sensing technology |
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| US6280268B1 (en) * | 1999-03-19 | 2001-08-28 | Showa Corporation | Tilt device for marine propulsion unit |
| CN2601320Y (en) * | 2002-10-29 | 2004-01-28 | 玉环县奥达斯五金机械有限公司 | Improved hydraulic tongs hydraulic oil circuit structure |
| CN201323410Y (en) * | 2008-11-19 | 2009-10-07 | 苗来全 | Manual hydraulic tightening tool |
| CN201772011U (en) * | 2010-05-14 | 2011-03-23 | 伊卡露斯(苏州)车辆系统有限公司 | Buffer |
| CN201919980U (en) * | 2011-01-11 | 2011-08-10 | 宁波奥邦喷雾器有限公司 | Bayonet sprayer |
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| JP3329557B2 (en) * | 1993-12-27 | 2002-09-30 | 東京電力株式会社 | Sagging adjustment tool |
| CN2426050Y (en) * | 2000-05-15 | 2001-04-04 | 王连亚 | Pneumatic reversal valve |
| CN2731157Y (en) * | 2004-09-22 | 2005-10-05 | 信孚产业股份有限公司 | Air sag type ventilation valve for seal type hydraulic driving fuel tank |
| CN100482955C (en) * | 2007-04-30 | 2009-04-29 | 安徽合力股份有限公司 | 1-3.5T gap buffer lift oil cylinder with one-way valve at cylinder bottom |
| CN201225424Y (en) * | 2008-07-25 | 2009-04-22 | 镇江液压件厂有限责任公司 | Fixed type one-way throttle valve |
| CN202856244U (en) * | 2012-10-16 | 2013-04-03 | 江苏省电力公司常州供电公司 | Hydraulic device used for insulator replacement tool |
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2012
- 2012-10-16 CN CN201510224627.XA patent/CN104836152B/en active Active
- 2012-10-16 CN CN201510224732.3A patent/CN104832474B/en active Active
- 2012-10-16 CN CN201510224157.7A patent/CN104836151B/en active Active
- 2012-10-16 CN CN201510224788.9A patent/CN104836153B/en active Active
- 2012-10-16 CN CN201510225123.XA patent/CN104882818B/en active Active
- 2012-10-16 CN CN201210392412.5A patent/CN102868119B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6280268B1 (en) * | 1999-03-19 | 2001-08-28 | Showa Corporation | Tilt device for marine propulsion unit |
| CN2601320Y (en) * | 2002-10-29 | 2004-01-28 | 玉环县奥达斯五金机械有限公司 | Improved hydraulic tongs hydraulic oil circuit structure |
| CN201323410Y (en) * | 2008-11-19 | 2009-10-07 | 苗来全 | Manual hydraulic tightening tool |
| CN201772011U (en) * | 2010-05-14 | 2011-03-23 | 伊卡露斯(苏州)车辆系统有限公司 | Buffer |
| CN201919980U (en) * | 2011-01-11 | 2011-08-10 | 宁波奥邦喷雾器有限公司 | Bayonet sprayer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104882818A (en) | 2015-09-02 |
| CN104882818B (en) | 2018-05-15 |
| CN104836153A (en) | 2015-08-12 |
| CN104836152A (en) | 2015-08-12 |
| CN104832474B (en) | 2018-01-05 |
| CN102868119B (en) | 2015-05-13 |
| CN104836153B (en) | 2018-08-17 |
| CN104832474A (en) | 2015-08-12 |
| CN104836151A (en) | 2015-08-12 |
| CN104836151B (en) | 2019-04-02 |
| CN102868119A (en) | 2013-01-09 |
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Address after: 213003 No. 27, West Front Street, Changzhou, Jiangsu Applicant after: State Grid Jiangsu Electric Power Company, Changzhou Power Supply Company Applicant after: STATE GRID JIANGSU ELECTRIC POWER COMPANY Applicant after: State Grid Corporation of China Address before: 213003 Jiangsu province Changzhou City Tianning District Bureau Street No. 27 Applicant before: Changzhou Power Supply Co, Jiangsu Provincial Power Corp. Applicant before: Jiangsu Electric Power Company Applicant before: State Grid Corporation of China |
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Inventor after: Yan Shun Inventor after: Xu Jian Inventor after: Shi Ruxin Inventor before: Ma Zhenguo |
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Address after: No. 27, front street, Changzhou Municipal Bureau, Jiangsu Province, Jiangsu Applicant after: Changzhou power supply branch, Jiangsu Electric Power Co., Ltd. Applicant after: State Grid Jiangsu Electric Power Co., Ltd. Applicant after: State Grid Corporation of China Address before: No. 27, front street, Changzhou Municipal Bureau, Jiangsu Province, Jiangsu Applicant before: State Grid Jiangsu Electric Power Company, Changzhou Power Supply Company Applicant before: STATE GRID JIANGSU ELECTRIC POWER COMPANY Applicant before: State Grid Corporation of China |
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Address after: 210024 No. 215 Shanghai Road, Nanjing City, Jiangsu Province Co-patentee after: Changzhou power supply branch, Jiangsu Electric Power Co., Ltd. Patentee after: State Grid Jiangsu Electric Power Co., Ltd. Co-patentee after: State Grid Corporation of China Address before: No. 27, front street, Changzhou Municipal Bureau, Jiangsu Province, Jiangsu Co-patentee before: State Grid Jiangsu Electric Power Co., Ltd. Patentee before: Changzhou power supply branch, Jiangsu Electric Power Co., Ltd. Co-patentee before: State Grid Corporation of China |